[wp-trac] [WordPress Trac] #48035: Extra security against warning error for shortcodes

[WordPress Trac]

#48035: Extra security against warning error for shortcodes
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 Reporter:  ignatiusjeroe  |      Owner:  (none)
     Type:  enhancement    |     Status:  new
 Priority:  normal         |  Milestone:  Awaiting Review
Component:  Shortcodes     |    Version:  5.2.3
 Severity:  minor          |   Keywords:
  Focuses:                 |
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 Function 'shortcode_regex( $tagnames = null )' expects an array. But if
 the users enters a string it triggers an php warning error. It's would be
 better to just type set the parameter to an array. For example:


 function get_shortcode_regex( $tagnames = null ) {
         global $shortcode_tags;

         $tagnames = (array) $tagnames; // string typeset to an array.
 Alternate version: settype( $tagname, 'array' );

         if ( empty( $tagnames ) ) {
 //....more core code

 source: includes/shortcodes.php

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Ticket URL: <https://core.trac.wordpress.org/ticket/48035>
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